Complete SAS Programming Guide - Learn SAS and Become a Data Ninja - COMPRESS Function (Remove Characters from String, a

The video tutorial explains the use of the compress function in SAS, focusing on its ability to remove unwanted characters and spaces from strings. It demonstrates the function's application on a data set containing phone numbers, showing how to eliminate dashes, parentheses, and spaces. The tutorial covers the basic use of the compress function and advances to using additional arguments for more complex data cleaning tasks.

What is the primary purpose of the compress function as introduced in the video?

• To remove unwanted characters from strings

• To change the data type of variables

• To add characters to strings

• To sort data in ascending order

In the second column of the output, what default action does the compress function perform?

• It duplicates the characters

• It changes the case of characters

• It removes spaces between characters

• It adds spaces between characters

What additional arguments are used in the final column to enhance the compress function's capabilities?

• Arguments to sort the data

• Arguments to change text color

• Arguments to remove dashes and parentheses

• Arguments to add spaces and dashes

Why is it necessary to pass a third argument when using the compress function with specific character removal?

• To add new characters

• To specify the data type

• To change the order of columns

• To ensure spaces are also removed

What is the result in the final column after applying the compress function with all arguments?

• Parentheses, dashes, and spaces are removed

• Only spaces are removed

• Only dashes are removed

• No changes are made